Heat transfer-Conduction Convection Radiation

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What is conduction?

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Conduction is the transfer of heat through direct contact between materials. It occurs when heat moves from a hotter object to a cooler one through physical touch.

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NGSS.MS-PS3-3

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What is convection?

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Convection is the transfer of heat through liquids and gases. It occurs when warmer areas of a liquid or gas rise and cooler areas sink, creating a circulation pattern.

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NGSS.MS-ESS2-6

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What is radiation?

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Radiation is the transfer of heat through electromagnetic waves. It does not require a medium, so heat can be transferred through empty space.

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How does a pot get hot on a stove?

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The pot gets hot due to conduction, as heat is transferred from the stove to the pot through direct contact.

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NGSS.MS-PS3-4

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What is an example of convection in cooking?

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An example of convection in cooking is when pasta is added to hot water, causing the water to circulate and cook the pasta evenly.

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What happens when you put your hand near a fire?

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When you put your hand near a fire, you feel heat due to radiation, as heat is transferred through electromagnetic waves.

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NGSS.MS-PS1-4

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What is the primary way heat travels through metals?

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The primary way heat travels through metals is conduction, as metals are good conductors of heat.

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What is an example of radiation?

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An example of radiation is feeling the warmth of the sun on your skin, even when you are not in direct contact with it.

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NGSS.MS-PS4-2

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How does an iron smooth out wrinkles in clothes?

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An iron smooths out wrinkles in clothes by transferring heat through conduction, as the hot iron touches the fabric.

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NGSS.MS-PS3-3

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What is the role of convection in weather patterns?

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Convection plays a role in weather patterns by causing warm air to rise and cool air to sink, leading to wind and cloud formation.

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NGSS.MS-ESS2-5

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